diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/file/fd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index f79f4c6a36e..9724f481dc0 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -336,12 +336,15 @@ pg_fdatasync(int fd) /* * pg_flush_data --- advise OS that the data described won't be needed soon * - * Not all platforms have posix_fadvise; treat as noop if not available. + * Not all platforms have sync_file_range or posix_fadvise; treat as no-op + * if not available. */ int pg_flush_data(int fd, off_t offset, off_t amount) { -#if defined(USE_POSIX_FADVISE) && defined(POSIX_FADV_DONTNEED) +#if defined(HAVE_SYNC_FILE_RANGE) + return sync_file_range(fd, offset, amount, SYNC_FILE_RANGE_WRITE); +#elif defined(USE_POSIX_FADVISE) && defined(POSIX_FADV_DONTNEED) return posix_fadvise(fd, offset, amount, POSIX_FADV_DONTNEED); #else return 0; |